From 028b2a8c16c7c6a482075fe42275a44fbe5463fa Mon Sep 17 00:00:00 2001 From: Alexander Aring Date: Tue, 20 Oct 2015 08:31:23 +0200 Subject: [PATCH] 6lowpan: remove lowpan_is_addr_broadcast This macro is used at 802.15.4 6LoWPAN only and can be replaced by memcmp with the interface broadcast address. Signed-off-by: Alexander Aring Signed-off-by: Marcel Holtmann --- include/net/6lowpan.h | 10 ---------- net/ieee802154/6lowpan/tx.c | 2 +- 2 files changed, 1 insertion(+), 11 deletions(-) diff --git a/include/net/6lowpan.h b/include/net/6lowpan.h index f127a92d1b94..cf3bc564ac03 100644 --- a/include/net/6lowpan.h +++ b/include/net/6lowpan.h @@ -74,16 +74,6 @@ LOWPAN_IPHC_MAX_HEADER_LEN + \ LOWPAN_NHC_MAX_HDR_LEN) -#define lowpan_is_addr_broadcast(a) \ - ((((a)[0]) == 0xFF) && \ - (((a)[1]) == 0xFF) && \ - (((a)[2]) == 0xFF) && \ - (((a)[3]) == 0xFF) && \ - (((a)[4]) == 0xFF) && \ - (((a)[5]) == 0xFF) && \ - (((a)[6]) == 0xFF) && \ - (((a)[7]) == 0xFF)) - #define LOWPAN_DISPATCH_IPV6 0x41 /* 01000001 = 65 */ #define LOWPAN_DISPATCH_IPHC 0x60 /* 011xxxxx = ... */ #define LOWPAN_DISPATCH_IPHC_MASK 0xe0 diff --git a/net/ieee802154/6lowpan/tx.c b/net/ieee802154/6lowpan/tx.c index f6594a87d6fc..d4353faced35 100644 --- a/net/ieee802154/6lowpan/tx.c +++ b/net/ieee802154/6lowpan/tx.c @@ -238,7 +238,7 @@ static int lowpan_header(struct sk_buff *skb, struct net_device *ldev, /* if the destination address is the broadcast address, use the * corresponding short address */ - if (lowpan_is_addr_broadcast((const u8 *)daddr)) { + if (!memcmp(daddr, ldev->broadcast, EUI64_ADDR_LEN)) { da.mode = IEEE802154_ADDR_SHORT; da.short_addr = cpu_to_le16(IEEE802154_ADDR_BROADCAST); cb->ackreq = false; -- 2.20.1